A kind of automatic LED illuminating lamp
Technical field
The utility model relates to a kind of LED illuminating lamp, relates in particular to the automatic LED illuminating lamp that a kind of drawer is used.
Background technology
The LED lamp with the feature such as energy-conservation, effective has been subject to application widely in all trades and professions.Darker at light, or in the situation of darkness, when some family expenses drawers or drawer of toolbox etc. are opened, do not have light to be not easy to find article or sort out a drawer in article, more particularly be used in the weak tool box of light, when ransacing article, need to, by means of external light sources such as flashlights, very bother.Based on this, on market, there is a kind of drawer of toolbox with illuminating lamp, the drawer of some energy-conservation LED illuminating lamps particularly, but when this LED lamp is applied on drawer of toolbox, use inconveniently, need console switch to realize the switch of LED after opening drawer.Because this illuminating lamp is by dry cell power supply, if whether the drawer of toolbox automatic illuminating arranging needs to detect incessantly in real time drawer and manually opened, it detects and takes very much electricity.
Utility model content
The utility model is on the basis of above-mentioned drawback, the automatic LED illuminating lamp using on a kind of drawer of toolbox is provided, this technology has solved the technical problem that the drawer of toolbox lamp of dry cell power supply in prior art cannot intelligent automatic switching lamp, can be according to environment for use automatic switch LED illuminating lamp, safe and reliable, sensitive, power saving.
The technical scheme that the utility model adopts is: a kind of automatic LED illuminating lamp, comprise: photoelectric sensor, operational amplifier, comparator, single-chip microcomputer, infrarede emitting diode, LED lamp, switch, shock sensor, it is characterized in that: described operational amplifier, comparator, single-chip microcomputer, LED lamp are connected in parallel on dry cell, photoelectric sensor one end is connected on dry battery cathode, the other end is divided into two-way, one tunnel is connected on operational amplifier, and a road is connected on single-chip microcomputer; The signal of telecommunication that photoelectric sensor initiatively sends is after low consumed power operational amplifier amplifies, and one end input of low power consumption comparator is accessed on a road after resistance capacitance integration, and the other end input of low power consumption comparator is directly accessed on a road through resistance.
Described photoelectric sensor is silicon photocell, can be electric energy by being irradiated to surperficial light energy conversion, and the light that infrarede emitting diode sends can be received by photoelectric sensor through reflection; On described single-chip microcomputer, be connected with shock sensor, described lamp is a plurality of.
When described photoelectric sensor environment of living in is from secretly brightening, the voltage signal that photoelectric sensor initiatively sends changes from small to big, after operational amplifier amplifies, a switching signal of low power consumption comparator output, the single-chip microcomputer waking up in low-power sleep state enters duty.
When drawer is opened, or drawer is when be given a shock, the switching signal that described shock sensor sends, and the single-chip microcomputer waking up in low-power sleep state enters duty.
Described single-chip microcomputer enters after duty, controls the light that infrarede emitting diode sends and receives through reflection quilt photoelectric sensor, is connected to single-chip microcomputer, for whether determining the criterion of switch lamp.In addition, single-chip microcomputer enters after duty, by photoelectric sensor, detects the external environment light after pulling the drawer out, and external environment light is too bright, LED lamp does not work, and when external environment light is not too bright, LED lamp is lighted automatically, under Single-chip Controlling, self-clocking, lights automatic distinguishing after a few minutes.
When drawer is to open state and LED lamp is to extinguish state, when drawer is shaken, LED lantern festival is lighted again automatically; LED lamp automatic distinguishing when drawer is closed, even shaken under closed condition, LED lamp can not lighted automatically yet.
In addition, because human body or object rock between photoelectric sensor and LED lamp, can have influence on the luminous intensity that photoelectric sensor receives, possible LED lantern festival produces misoperation, so, in the programming of design scm software, if be opened under the bright state of LED lamp at drawer, there is variation in the light intensity that photoelectric sensor receives, single-chip microcomputer reclocking has guaranteed not allow the misoperation of LED lamp.
The beneficial effects of the utility model are: the first, in order to overcome the sensitivity problem of drawer lamp, designed an amplifying circuit, at photoelectric sensor, receive extraneous faint light intensity and change the more weak signal of telecommunication of generation, by amplifier, signal is amplified, thereby improved the susceptibility of drawer lamp.The second, because human body or object rock between photoelectric sensor and light source, can have influence on the light intensity that optical sensor receives, possible drawer lantern festival produces misoperation, in the programming of design scm software, if be opened under the bright state of LED lamp at drawer, there is variation in the light intensity that photoelectric sensor receives, single-chip microcomputer is reclocking, guaranteed not allow the misoperation of LED lamp, intelligent, safe and reliable, power saving, uses flexibly.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model with embodiment mono-of the present utility model, does not form restriction of the present utility model.In the accompanying drawings:
The structure principle chart that accompanying drawing 1 is this automatic lighting lamp
The structural principle reduced graph that accompanying drawing 2 is this automatic lighting lamp
The specific embodiment
For clearly demonstrating technical characterstic of the present utility model, below by a specific embodiment, and in conjunction with its accompanying drawing, the utility model is set forth.Apparently, the accompanying drawing in the following describes is only a kind of embodiment of the present utility model, for those of ordinary skills, is not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The automatic LED illuminating lamp of kind described in the utility model, comprise: photoelectric sensor GBT, operational amplifier A R2, comparator AR1, single-chip microcomputer U1, infrarede emitting diode LR1, LED lamp WLED, switch Q1, shock sensor S1, it is characterized in that: described operational amplifier A R2, comparator AR1, single-chip microcomputer U1, LED lamp WLED are connected in parallel on dry cell, photoelectric sensor GBT one end is connected on dry battery cathode, the other end is divided into two-way, it is upper that one tunnel is connected to operational amplifier A R2, and a road is connected on single-chip microcomputer U1; The signal of telecommunication that photoelectric sensor GBT initiatively sends is after low consumed power operational amplifier AR2 amplifies, one end input of low power consumption comparator AR1 is accessed on one tunnel after resistance R 2 capacitor C 3 integrations, and the other end input of low power consumption comparator AR1 is directly accessed on a road through resistance R 4/R5.
Described photoelectric sensor GBT is silicon photocell, can be electric energy by being irradiated to surperficial light energy conversion, and the light that infrarede emitting diode LR1 sends can be received by photoelectric sensor GBT through reflection; On described single-chip microcomputer U1, be connected with shock sensor S1, described LED lamp is a plurality of.When photoelectric sensor GBT environment of living in is from secretly brightening, the voltage signal that photoelectric sensor GBT initiatively sends changes from small to big, after operational amplifier A R2 amplifies, low power consumption comparator AR1 exports a switching signal, and the single-chip microcomputer U1 waking up in low-power sleep state enters duty; When drawer is opened, or drawer is when be given a shock, the switching signal that described shock sensor S1 sends, and the single-chip microcomputer U1 waking up in low-power sleep state enters duty.
At this, in conjunction with a specific embodiment, its operation principle is described in detail: 1, switch on power, when pulling the drawer out, this automatic lighting lamp surround lighting of living in is by dark (photoelectric sensor GBT now voltage is V1) brighten (photoelectric sensor GBT now voltage is V2), photoelectric sensor GBT voltage increases, thereby produces voltage difference delta V (Δ V=V2-V1).2, the voltage difference delta U that photoelectric sensor GBT produces is as signal of telecommunication S, and signal of telecommunication S is amplified by the operational amplifier A R2 of low-power consumption.3, the signal of telecommunication SO after amplification, one end input of low power consumption comparator AR1 is accessed on one tunnel after resistance R 2 capacitor C 3 integrations, the other end input of low power consumption comparator AR1 is directly accessed on one tunnel through resistance R 4, R5, low power consumption comparator AR1 exports a switching signal, and the single-chip microcomputer U1 waking up in low-power sleep state enters duty; If LED lamp WLED is given a shock, shock sensor S sends switching signal S3 to single-chip microcomputer U1, and the single-chip microcomputer U1 that equally also can wake up in low-power sleep state enters duty.4, single-chip microcomputer U1 enters after duty, controls the light that infrarede emitting diode LR1 sends and receives through reflection quilt photoelectric sensor GBT, is connected to single-chip microcomputer U1 for whether determining the criterion of switch lighting LED6.
In addition, when drawer is to open state and LED lamp WLED extinguishes state, when drawer is shaken, LED lamp WLED can be lighted again automatically; When even if pull the drawer out, extraneous light is closed with drawer, light intensity is the same, only needs the lower drawer of vibrations, and LED lamp WLED will be lighted automatically; LED lamp WLED automatic distinguishing when drawer is closed, even shaken under closed condition, LED lamp WLED can not lighted automatically yet.Because human body or object rock between photoelectric sensor GBT and LED lamp WLED, can have influence on the luminous intensity that photoelectric sensor GBT receives, possible LED lantern festival produces misoperation, so, in design single-chip microcomputer U1 software programming, if be opened under the bright state of LED lamp WLED at drawer, there is variation in the light intensity that photoelectric sensor GBT receives, single-chip microcomputer U1 reclocking, has guaranteed not allow LED lamp WLED misoperation.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.